Arrhenius Acid Definition: Hydronium breaks up to yield an H+ in solution. Arrhenius Base Definition: Hydroxide is an OH-dissolved in water. Bronsted-Lowry Acid Definition: Hydronium is an H+ donor regardless of solution. Bronsted-Lowry Base Definition: Hydroxide attacks and accepts the H+ from hydronium.Lewis Acid Definition: The H+ on Hydronium accepts the attacking electron pair to form a bond.ronsted-Lowry Acid Definition: Hydronium is an H+ donor regardless of solution. Bronsted-Lowry Base Definition: Hydroxide attacks and accepts the H+ from hydronium. Lewis Acid Definition: The H+ on Hydronium accepts the attacking electron pair to form a bond.
It is believed that the first Ancient Chinese fire works were made in Han Dynasty (206 BC-220 AD). Fireworks in Ancient China were originally used for shows, christenings and special funeral ceremonies.
Ancient Chinese alchemists were trying to find a potion for immortality and they ended up making gunpowder. When the Chinese found out that it exploded they used it for fire works. After a few hundred years they started using it in war.